INFO: task jfsCommit:114 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit       state:D stack:26920 pid:114   tgid:114   ppid:2      task_flags:0x200040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 io_schedule+0x80/0xd0
 lock_metapage+0x1f3/0x400
 __get_metapage+0x497/0xde0
 diIAGRead+0xce/0x140
 diFree+0x983/0x2c40
 jfs_evict_inode+0x331/0x440
 evict+0x504/0x9c0
 jfs_lazycommit+0x43f/0xa90
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task syz.5.217:7404 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.217       state:D stack:25128 pid:7404  tgid:7403  ppid:6456   task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 jfs_flush_journal+0x716/0xed0
 jfs_fsync+0x160/0x1d0
 __x64_sys_fsync+0x18e/0x1f0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66b678eba9
RSP: 002b:00007f66b759c038 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
RAX: ffffffffffffffda RBX: 00007f66b69d5fa0 RCX: 00007f66b678eba9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f66b6811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f66b69d6038 R14: 00007f66b69d5fa0 R15: 00007ffef522e9e8
 </TASK>
INFO: task syz.5.217:7413 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.217       state:D stack:26664 pid:7413  tgid:7403  ppid:6456   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 diAlloc+0x77a/0x1680
 ialloc+0x8c/0x8f0
 jfs_create+0x18d/0xa80
 path_openat+0x14f4/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66b678eba9
RSP: 002b:00007f66b757b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f66b69d6090 RCX: 00007f66b678eba9
RDX: 0000000000000042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f66b6811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f66b69d6128 R14: 00007f66b69d6090 R15: 00007ffef522e9e8
 </TASK>
INFO: task syz.5.217:7414 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.217       state:D stack:27976 pid:7414  tgid:7403  ppid:6456   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write+0x1ab/0x1f0
 path_openat+0x8da/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66b678eba9
RSP: 002b:00007f66b755a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f66b69d6180 RCX: 00007f66b678eba9
RDX: 0000000000143042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f66b6811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f66b69d6218 R14: 00007f66b69d6180 R15: 00007ffef522e9e8
 </TASK>
INFO: task syz.5.217:7415 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.217       state:D stack:28792 pid:7415  tgid:7403  ppid:6456   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write_nested+0x1b5/0x200
 filename_create+0x1f8/0x3c0
 do_mkdirat+0xa0/0x590
 __x64_sys_mkdirat+0x87/0xa0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66b678d417
RSP: 002b:00007f66b7538e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f66b7538ef0 RCX: 00007f66b678d417
RDX: 00000000000001ff RSI: 00002000000000c0 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007f66b7538eb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: task syz.5.217:7416 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.217       state:D stack:26824 pid:7416  tgid:7403  ppid:6456   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write+0x1ab/0x1f0
 path_openat+0x8da/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_open+0x11e/0x150
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66b678eba9
RSP: 002b:00007f66b41f2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f66b69d6360 RCX: 00007f66b678eba9
RDX: 0000000000000019 RSI: 0000000000167842 RDI: 00002000000005c0
RBP: 00007f66b6811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f66b69d63f8 R14: 00007f66b69d6360 R15: 00007ffef522e9e8
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by jfsCommit/114:
 #0: ffff888028658920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x29f/0x2c40
 #1: ffff88802c1c66a0 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x2bd/0x2c40
5 locks held by kworker/u10:7/4766:
2 locks held by getty/5679:
 #0: ffff8880247b70a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
1 lock held by syz.5.217/7404:
 #0: ffff88811e8f4f38 (&type->i_mutex_dir_key#22){++++}-{4:4}, at: jfs_fsync+0x95/0x1d0
3 locks held by syz.5.217/7413:
 #0: ffff888036a76428 (sb_writers#32){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88802c1c7418 (&type->i_mutex_dir_key#22){++++}-{4:4}, at: path_openat+0x8da/0x3830
 #2: ffff888028658920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diAlloc+0x77a/0x1680
2 locks held by syz.5.217/7414:
 #0: ffff888036a76428 (sb_writers#32){.+.+}-{0:0}
, at: mnt_want_write+0x41/0x90
 #1: ffff88802c1c7418 (&type->i_mutex_dir_key#22){++++}-{4:4}, at: path_openat+0x8da/0x3830
2 locks held by syz.5.217/7415:
 #0: ffff888036a76428 (sb_writers#32){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88802c1c7418 (&type->i_mutex_dir_key#22/1){+.+.}-{4:4}, at: filename_create+0x1f8/0x3c0
2 locks held by syz.5.217/7416:
 #0: ffff888036a76428 (sb_writers#32){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88802c1c7418 (&type->i_mutex_dir_key#22){++++}-{4:4}, at: path_openat+0x8da/0x3830
1 lock held by syz-executor/9500:
 #0: ffff8880325220e0 (&type->s_umount_key#71){++++}-{4:4}, at: deactivate_super+0xa9/0xe0

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xf93/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 9318 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:snprintf+0x0/0x120
Code: 56 05 49 f6 ff cb 41 89 de eb db 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc9000653f4d8 EFLAGS: 00000206
RAX: 0000000000000054 RBX: ffffc9000653f520 RCX: 0000000000000054
RDX: ffffffff8b8b8140 RSI: 000000000000000c RDI: ffffc9000653f520
RBP: ffffc9000653f590 R08: 0000000000000022 R09: 0000000000000000
R10: ffffc9000653f520 R11: fffff52000ca7ea5 R12: 0000000000000022
R13: ffffc9000653f620 R14: ffffc9000653f62e R15: 000000000000000e
FS:  0000555585c3c500(0000) GS:ffff8881a3c15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000565024995680 CR3: 00000000336ee000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 info_print_prefix+0x1e1/0x310
 record_print_text+0x154/0x420
 printk_get_next_message+0x26d/0x7b0
 console_flush_all+0x4ca/0xc40
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 __bch2_print+0x176/0x220
 bch2_fs_free+0x526/0x5a0
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x425/0x4c0
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa54818fed7
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe88f2ebf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa548211c05 RCX: 00007fa54818fed7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe88f2ecb0
RBP: 00007ffe88f2ecb0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe88f2fd40
R13: 00007fa548211c05 R14: 000000000004806f R15: 00007ffe88f2fd80
 </TASK>
